R=: 28cmX28cm “Step 1 #Remove your screen door and lay it down on a flat or any other hard surface. separate the frees of the pet door. #Place them on opposite sides of the screen, prefers -bly in a lower corner. ETHOS Using a knife,cut off the screen follow the dog door. Installation | Step (5) «Align pins and hold tightly into the frames. Snap them by tapping or withe a hammer whichever Tighten the screws. Ste pd Bend the inner door,and Putin.